Control Engineering
Subject Code:EC5T1
Subject Title : Control Engineering
1. Introduction:
The control system, Closed-loop control, Open-loop control, Servomechanisms,
Application of control theory to nor engineering fields. (2 hrs)
2. Mathematical Models of Physical Systems:
Introduction, Differential equations of Physical Systems: Mechanical
Systems, Electrical Systems, Analogous System. Transfer functions of
Armature-controlled and Field-controlled servomotors. Block diagram algebra,
Block diagrat reduction, Signal flow graphs, Mason's gain formula.
(11 hrs)
3. Time Response Analysis:
Introduction, Standard test signals, Time response of second order system
subjected to unit step input, Time response specifications, Steady-state
error and error constants, Types of feedback control systems. (l0 hrs)
4. Concepts of Stability:
The concepts of stability, Necessary conditions of
stability, Routh's stability criterion, Relative stability analysis.
(3 hrs)
5. The Root Locus Technique:
Root Locus concepts, Construction rules (derivations not required). (6
hrs)
6. Stability in Frequency Domain:
Nyquist Stability criterion, Measure of relative stability. (6
hrs)
7. Frequency Response Analysis:
Introduction, Bode plots. (6
hrs)
8. State-Variable Analysis and Design:
Introduction, Concepts of State, State-Variables and State model,
State-space representation using Physical Variable. Solution of State
equations, Laplace Transform Technique, Properties of STM. (6 hrs)
Text Books
1. Control Systems Engineering- 1.3. Nagarth and M. Gopal- New Age
Intemational- 2nd Edn.
2. Control Systems - M.Gopal - TMH - 1st Edn.
Reference Books
1. Modem Control Engineering - R.C. Dorf and R.H. Bishop - Addison &
Wesley.
2. Modem Control Engineering - K. Ogata - PHI - 2nd Edn.
3. Feedback and Control Systems - Schaum's outline series - McGH.
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Digital Signal Processing
Subject Code : EC5T2 Duration
of Exam: 3 hrs
Subject Title : Digital Signal Processing Max.Exam.Marks:100
Total contact hrs : 50 Max.I.A.
Marks: 25
(Note: Common to EC & TE)
1. Analog Filter Design:
The filter design problem, Approximation problem in network theory,
Maximally-flatlow-pass filter approximatior Chebyshev Filter approximation,
Frequency transformation (Chapter 13, F.F. Kuo).
(8hrs)
2. Discrete Fourier Transform
Introduction, Defmition of DFT, Properties of DFT: Linearity, Circular shiff
of a sequence, Symmetry propertie. Circular convolution. Linear Convolution
using DFT. (8 hrs)
3. Computation of DFT:
Introduction, Decimation-in-time FFT algorithm and in-place computations,
Decimation-in-frequency FFT algorithi and in-place computations, Chirp
Z-Transform. (10 hrs)
4. IIR Filter Design:
Infroduction, Design of hR digital filter from analog filters, Impulse
invariance, Design based on numerical solution of differential equations,
Bilinear transformation, Application of above techniques to the design of
Butterworth & Chebyshev filters. (Design may be done with or without
normalized filter tables).
(10 hrs)
5. FIR Filter Design:
Properties of FIR digital filters, Different types of windows: Rectangular,
Bartlett, Hanning, Hamming, Blackmann & Kaiser windows, Design of FIR
filters using above windows, Frequency sampling design, Equiripple filter
design, A comparison of hR & FIR digital filters. (l0hrs)
6. Digital Filter Structures :
Basic IIR Filter Structures: Direct forms (I & II), cascade and parallel
realizations. Basic FIR filter structures: Direct form and Linear phase FIR
structures. (4 hrs)
Text books:
1. Digital Signal Processing - A. V. Oppenheim and R.W. Schafer - PHI, 1999.
2. Digital Signal Processing - Sanjit K. Mitra - TMH.
Reference books:
1. Network Analysis and Synthesis -F. F. Kuo -. John Wiley - 7th Edn.
2. Theory and Application of DSP - L.R. Rabiner and B. Gold - PHI, 1999.
3. Digital Signal Processing - T.J. Cavichhi - John Wiley.
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Microprocessor
Subject Code : EC5T3
Duration of Exam: 3 hrs
Subject Title : Microprocessor Max.Exam.Marks:100
Total contact hrs: 50
Max.I.A. Marks: 25
1. Microprocessor Architecture and Operation :
Basic microprocessor system concepts, Architecture and Operation, Signals
& timing sequence of 8085, Memory and I/O organization, Buffering the
8085 buses. (8 hrs)
2. Programming 8085 :
Data transfer, Logic and Branch instructions of 8085, Program looping,
Software delay, Examples. The Stack operations, Subroutines, Conditional
calls and retums, Passing parameters, examples involving subroutines.
Addition, Subtraction, Multiplication and Division using unsigned binary
numbers, 2's complement numbers and BCD numbers, Logical and Arithmetic
shifts. (14 hrs)
3. Memory Interface :
Parallel Input I Output and Interfacing Applications . (6
hrs)
4. Programmed Controlled I/O:
Isolated I/O and device select decoding, Memory mapped I/O, MSI I/O ports,
Handshaking and Polling, Programmable ports (8155 & 8255). Basic
concepts of synchronous and asynchronous serial transfer of information,
8251 USART, using direct serial I/O pins of 8085. (l0hrs)
5. Other Peripheral Devices:
8259 Programmable Interrupt controller, 8257 DMA controller, 8279
keyboard/display controller, 8253/8254 programmable interval timer, 8275 CRT
controller. (12 hrs)
Text books
1. Microprocessor Architecture, Programming and Applications with 8085 -R.S.Gaonkar
- Penram Int. - 3rd Edn.
2. Microprocessors and Programmed Logic - Kenneth.L.Short - PHI - 2nd Edn.
Reference Books
1. Microprocessors and Microcomputer based System Design - Mohammed
Rafiquzzaman
2. INTEL Data Manual
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Microwave Circuits and Devices
Subject Code: EC5T4 Duration
of Exam: 3 hrs
Subject Title: Microwave Circuits and Devices
Max.Exam.Marks :100
Total contact hrs : 50
Max.I.A. Marks : 25
1. Basic Transmission Line Theory
Introduction, Transmission line Equations, Characteristic and input
impedances, Reflection and transmission coefficients, Standing wave,
Mismatch losses in transmission lines, Smith chart, Applications of Smith
chart, High-frequency lines. (7
hrs)
2. Microwave Transmission lines
Introduction, Ideal co-axial line, Planar transmission lines, Strip lines,
Micro strip lines, Rectangular wave guides, TE waves solution, TM waves
solution, Dominant mode, Degenerate modes, Power flow in rectangular wave
guides, Methods of excitation of modes, Circular wave guides (Qualitative),
Ritz wave guides, Power handling capacity of microwave transmission
lines-rectangular wave guide and co-axial line. (10
hrs)
3. Impedance Transformations for Matching
Introduction, General condition for impedance matching, Single-stub
matching, Double-stub matching. Realisation of stubs in microwave circuits -
co-axial line and wave guide stub, broad band matching - quarter wave
impedance transformers, Realisation of wave guide impedance transformer.
(7
hrs)
4. Microwave Network Theory and Passive Devices
Introduction, S-matrix representation of multiport network, Properties of
S-matrix, Wave guide sectt'ons - rectangular, Wave guide flanges, Rotary
joints, Matched terminations, Short circuit plunger, Wave guide comers,
Bends and twists, Attenuators, Phase shifters, Wave guide Tees, E-plane tee,
H-plane tee, Magic tee, application of magic tee, Isolators, Directional
couplers-Bethe-hole coupler.
(10 hrs)
5. Microwave Vacuum Devices
Introduction, Klystrons - reflex klystron oscillator, mechanism of
oscillations, mode of oscillation, Power output and efficiency, Mode curve,
Modulation of a reflex klystron, Travelling Wave Tube Amplifier - Analysis
of TWTA, Comparison between klystron and TWTA.
(6 hrs)
6. Microwave Solid State Devices and Circuits
PIN-diode and its application - single PIN switch, Gunn diodes - modes of
operation, Gunn diode oscillator, Avalanche Transit - Time Devices (ATTD),
IMPATT diodes, TRAPATT diodes, BARITT diodes, Tunnel Diodes, VARACTOR
diodes. (6 hrs)
7. Applications of Microwaves
Satellite Communication systems and Microwave heating. (2
hrs)
8. Microwave Radiation Hazards
Hazards of electromagnetic radiation to personnel Ordinance and fuels,
Radiation hazard levels for personnel, Radiation hazard limits, Radiation
protection.
(2
hrs)
Text Book
1 .Microwave Engineering - Annapuma Das, Sisir K. Das- TMH -2000
2. Microwave Devices and Circuits - Samuel & Liao - PHI 3rd Edn
Reference Book
1. Microwave Circuits and Passive Devices - M.L. Sisodia and G.S. Raghvanshi,
Wiley Eastern -1987
2. Microwave Engineering - Peter A Rizzi, PHI -1999
3. Elements of Microwave Engineering - R. Chattergee - EWP
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Microprocessor & DSP Lab
Subject Code : EC5L1 Duration of Exam: 3 hrs
Subject Title: Microprocessor & DSP Lab
Max.Ex.am.Marks:100
Max.I.A.
Marks : 25
I..8085 Programming:
1. Data Transfer instructions in 8085
Byte and Double Byte transfer between memory and registers in different
addressing modes and Block data transfer.
2. Logic instructions in 8085
Comparison of contents of two registers and decision making depending on
whether the content of a register is equal to, less than or more than the
content of the other
3. . Looping Instructions in 8085
Counting, Software delays of microsecond and millisecond durations.
4. Arithmetic and Boolean instructions in 8085
Addition, Subtraction, Multiplication and Division of 8 and 16 bit unsigned
hexadecimal numbers. 2's Compliment Subtraction. Boolean operations, Shift
and Rotate operations.
5. Conditional and unconditional Subroutine Calls in 8085
Conditional CALL and RETURN, Parameter passing techniques.
6. Waveform Generation Using ADC, DAC
7. Use of 8255 in handshake mode.
8. Programming 8279
9. Interfacing 8253 /8254 to generate timing signals.
II. DSP using MATLAB (4 Lab Sessions of 3 hrs. each)
a. Verification of Sampling Theorem
b. Solving Differential & Difference Equations
c. Impulse Response of a given System
d. Convolution of two given Sequences (Linear and Circular)
e. To obtain FFT and IFFT for a given Sequence
f. Realization of FIR and IIR Filters
III. Hardware Implementation Using Starter Kit (DSP 563XX)
a. Filter Implementation (FIR, IIR and Adaptive)
b. 1-D and 2-D FFT and computation of Discrete Cosine Transform
c. Interfacing to External Memory
IV. Study Experiment
a. Speed control of DC motor using 8085
b. A & micro law Companding Routines demonstration using DSP kit.
Reference for 8085 Programming:
Intel Manual (4 Lab Sessions of 3 hrs. each) Microprocessor Lab Primer - K.A.
Krishnamurthy
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.
Communication Lab
Subject Code : ECSL2
Duration of Exam:3hrs
Subject Title: Communication Lab Max.Exam.Marks:100
Max.I.A.Marks:25
1. Active low-pass and High-pass filters (First order).
2. Active band pass and band elimination filters (second order).
3. Class C tuned amplifier.
4. Collector AM and demodulation using envelope detector (narrow band
AM)
5. Balanced modulation and SSB generation. (using diodes or using IC
1496).
6. Attenuators: T,pie, o-pad & Lattice types.
7. FM modulation and demodulation. (using IC 8038 and PLL)
8.. Radio receiver characteristics: Sensitivity, Selectivity and
fidelity.
9. Pre-emphasis and de-emphasis circuits.
10. AM-IC circuit (modulation & demodulation using IC)
11. PAM (modulation & demodulation)
12. PPM (modulation & demodulation)
13. PWM (modulation & demodulation)
14. Transistor mixer - up/down conversions.
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